Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 196, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Oct 12, 2001, 8:23 PM CDT for Runnels County, Texas. It was in force for 67 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Oct 12, 2001, 8:23 PM CDT (01:23 UTC)
- Expired
- Oct 12, 2001, 9:30 PM CDT
- In force
- 67 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Runnels County, TX
The radar
The San Angelo radar (KSJT), 71 km from the middle of the area, began a volume at 01:26 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 12, 8:27 PM CDT | Hail 1.75 | Miles, TX | Hail up to the size of golf balls reported in southwest Runnels County. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 1.4 hours before the alert went out and 276 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 3184 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 541 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 135 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 3.7
- Supercell composite
- 13.1
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 12, 6:55 PM CDT, 1 hour 28 minutes earlier.
Area forecast discussion, Oct 12, 6:55 PM CDT, 1 hour 28 minutes before
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</html>In the hours before
Special weather statement, Oct 12, 2:30 PM CDT, 5 hours 53 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-122330- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SAN ANGELO TX 230 PM CDT FRI OCT 12 2001 ...SEVERE THUNDERSTORMS WILL LIKELY DEVELOP ACROSS WEST CENTRAL TEXAS LATE THIS AFTERNOON AND EVENING... A MOIST AND UNSTABLE AIR MASS WILL REMAIN IN PLACE ACROSS WEST CENTRAL TEXAS THROUGH THIS EVENING. AS AN APPROACHING COLD FRONT AND A SURFACE DRYLINE INTERSECT THIS AIR MASS...SCATTERED THUNDERSTORMS WILL DEVELOP DURING THE LATE AFTERNOON HOURS. THE STORMS WILL LIKELY DEVELOP ALONG A LINE FROM NEAR SWEETWATER TO SAN ANGELO...WITH THE STORMS BECOMING MORE WIDESPREAD AS THEY MOVE EAST. GIVEN THE AMOUNT OF INSTABILITY PRESENT...ANY STORM THAT DOES DEVELOP WILL HAVE THE POTENTIAL OF RAPIDLY BECOMING SEVERE. ALTHOUGH VERY LARGE HAIL AND DAMAGING WIND WILL BE IN THE PRIMARY THREATS ...THERE DOES APPEAR TO BE ENOUGH WIND SHEAR TO ALLOW THE DEVELOPMENT OF ISOLATED TORNADOES AS WELL. THE AREA MOST LIKELY TO SEE SEVERE STORMS IS ACROSS THE HEARTLAND AND NORTHWEST HILL COUNTRY...WHERE A MODERATE RISK OF SEVERE WEATHER EXISTS ALONG AND EAST OF A BROWNWOOD TO BRADY TO JUNCTION LINE. THE STORMS SHOULD RACE QUICKLY EAST...CLEARING ALL OF WEST CENTRAL TEXAS BY MIDNIGHT. SPOTTER ACTIVATION WILL LIKELY BE NEEDED. FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE PRODUCT LBBSPSMAF. FOR THE SOUTH PLAINS OUTLOOK SEE PRODUCT LBBSPSLBB. FOR THE CENTRAL OKLAHOMA OUTLOOK SEE PRODUCT OKCSPSOKC. FOR THE NORTH TEXAS OUTLOOK SEE PRODUCT FTWSPSFTW. FOR THE SOUTH CENTRAL TEXAS OUTLOOK SEE PRODUCT SATSPSSAT. 07
Special weather statement, Oct 12, 2:35 PM CDT, 5 hours 48 minutes before
TXZ049-054-064>066-071>073-076>078-098-099-113-114-127-128-139-140- 154-155-168>170-122330- WEST CENTRAL TEXAS HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE SAN ANGELO TX 235 PM CDT FRI OCT 12 2001 ...SEVERE THUNDERSTORMS WILL LIKELY DEVELOP ACROSS WEST CENTRAL TEXAS LATE THIS AFTERNOON AND EVENING... A MOIST AND UNSTABLE AIR MASS WILL REMAIN IN PLACE ACROSS WEST CENTRAL TEXAS THROUGH THIS EVENING. AS AN APPROACHING COLD FRONT AND A SURFACE DRYLINE INTERSECT THIS AIR MASS...SCATTERED THUNDERSTORMS WILL DEVELOP DURING THE LATE AFTERNOON HOURS. THE STORMS WILL LIKELY DEVELOP ALONG A LINE A LINE FROM NEAR ABILENE TO SAN ANGELO... WITH THE STORMS BECOMING MORE WIDESPREAD AS THEY MOVE EAST. GIVEN THE AMOUNT OF INSTABILITY PRESENT...ANY STORM THAT DOES DEVELOP WILL HAVE THE POTENTIAL OF RAPIDLY BECOMING SEVERE. ALTHOUGH VERY LARGE HAIL AND DAMAGING WIND WILL BE IN THE PRIMARY THREATS ...THERE DOES APPEAR TO BE ENOUGH WIND SHEAR TO ALLOW THE DEVELOPMENT OF ISOLATED TORNADOES AS WELL. THE AREA MOST LIKELY TO SEE SEVERE STORMS IS ACROSS THE HEARTLAND AND NORTHWEST HILL COUNTRY...WHERE A MODERATE RISK OF SEVERE WEATHER EXISTS ALONG AND EAST OF A BROWNWOOD TO BRADY TO JUNCTION LINE. GIVEN THE POTENTIALLY DANGEROUS SITUATION...RESIDENTS OF WEST CENTRAL TEXAS ARE ENCOURAGED TO BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. THE STORMS SHOULD RACE QUICKLY EAST...CLEARING ALL OF WEST CENTRAL TEXAS BY MIDNIGHT. SPOTTER ACTIVATION WILL LIKELY BE NEEDED. FOR THE SOUTHWEST TEXAS AND SOUTHEAST NEW MEXICO OUTLOOK SEE PRODUCT LBBSPSMAF. FOR THE SOUTH PLAINS OUTLOOK SEE PRODUCT LBBSPSLBB. FOR THE CENTRAL OKLAHOMA OUTLOOK SEE PRODUCT OKCSPSOKC. FOR THE NORTH TEXAS OUTLOOK SEE PRODUCT FTWSPSFTW. FOR THE SOUTH CENTRAL TEXAS OUTLOOK SEE PRODUCT SATSPSSAT. 07
Local storm report, Oct 12, 6:52 PM CDT, 1 hour 31 minutes before
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</html>The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 12, 7:27 PM CDT | Severe Thunderstorm Warning | SJT | Irion | 63 min |
| Oct 12, 8:04 PM CDT | Severe Thunderstorm Warning | SJT | Crockett | 71 min |
| Oct 12, 8:14 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 61 min |
| Oct 12, 8:57 PM CDT | Severe Thunderstorm Warning | SJT | Coleman | 63 min |
| Oct 12, 9:10 PM CDT | Severe Thunderstorm Warning | SJT | Schleicher | 65 min |
| Oct 12, 9:33 PM CDT | Severe Thunderstorm Warning | SJT | Brown | 57 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.